Damekko Doubutsu(2001)

Damekko Doubutsu

Damekko Doubutsu features characters that wear kigurumi costumes. Each characters does not live up to the standards of their species, making them outcasts who must live in the "Useless" Forest. For example, the main character, Uruno, is a wolf who has the personality of a shy rabbit; meanwhile, his friend and foil, Usahara the rabbit, has a wolf-like dominance and aggression.

(Source: Wikipedia)